qt-everywhere-src-5.15.1/qtmultimedia/src/multimedia/qmediapluginloader_p.h

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#ifndef QMEDIAPLUGINLOADER_H
#define QMEDIAPLUGINLOADER_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <qtmultimediaglobal.h>
#include <QtCore/qobject.h>
#include <QtCore/qstring.h>
#include <QtCore/qstringlist.h>
#include <QtCore/qmap.h>
#include <QtCore/qjsonobject.h>


QT_BEGIN_NAMESPACE

class QFactoryLoader;
class QMediaServiceProviderPlugin;

class Q_MULTIMEDIA_EXPORT QMediaPluginLoader
{
public:
    QMediaPluginLoader(const char *iid,
                   const QString &suffix = QString(),
                   Qt::CaseSensitivity = Qt::CaseSensitive);
    ~QMediaPluginLoader();

    QStringList keys() const;
    QObject* instance(QString const &key);
    QList<QObject*> instances(QString const &key);

private:
    void loadMetadata();

    QByteArray  m_iid;
    QString     m_location;
    QMap<QString, QList<QJsonObject> > m_metadata;

    QFactoryLoader *m_factoryLoader;
};

QT_END_NAMESPACE


#endif  // QMEDIAPLUGINLOADER_H